Where does “тангенс” come from?
тангенс (Russian) comes from Latin tangens, from Latin tangō, from Proto-Italic *tangō, from Proto-Indo-European denḱ- — to bite.
тангенс (Russian): tangent
Ancestry of “тангенс”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Latin | tangens | touching, grasping; reaching, arriving at;... |
| 2 | Latin | tangō | — |
| 3 | Proto-Italic | *tangō | — |
| 4 | Proto-Indo-European | denḱ- | to bite |